Freelance engineer. I take a project from first scope to a live product, and stay on to keep it running.
Integrate Joaia's AI guide into the official Zürich Tourism apps: existing, native, in production.
An embeddable React Native SDK that brings Joaia's AI guide into Zürich Tourism's existing native iOS & Android apps.
Holoai needed to turn Joaia from a product concept into a production AI local-guide app for iOS and Android.
I led app development and built the React Native frontend and Node.js/MongoDB backend, translating product and design concepts into shipped user flows.
Joaia's tourism customers needed to create AI guides from their own content and control each guide's knowledge, voice and personality.
A Next.js authoring platform with custom voices, publishing flows and an Azure knowledge pipeline for customer documents.
A local distillery sold only in person. I built their online shop with payments.
A WordPress / WooCommerce storefront with Stripe payments, designed and built solo.
Quickly navigate between neighbouring files in Obsidian using the keyboard.
Configurable keyboard commands to jump to the next or previous file.
A free call to see if I can help, and how. No obligation to go further.
If it's a fit, I write a scope and a fixed estimate. You see what I'll build and what it costs before any code.
I build in weekly slices, so you see real progress, not a black box for months. After launch I stay on to keep it running.
LLM integration across Azure OpenAI, OpenAI and Anthropic, RAG pipelines, document ingestion, custom voice with ElevenLabs, and tracing via LangSmith.
React Native with Expo & EAS, React Query, MMKV and Maestro E2E. Shipped cross-platform apps to both stores, including brownfield integrations.
Next.js, NestJS, Angular, Node.js, Java & Spring Boot, with Clerk auth and E2E testing, from greenfield to production. Data layers in PostgreSQL, MongoDB Atlas, Redis and RabbitMQ.
Azure, Docker, Terraform, Ansible, GitLab & GitHub CI/CD, with security hardening and observability through Sentry, PostHog and SonarQube.
GDPR-compliant AI deployments on Azure EU regions, on-premise deployment options, and transparent data handling.
Get in touch
Available for freelance full-stack work, remote across EU/DACH.